Abstract: According to the thoughts of Prof. Huang Bingwei, "Geography will loss the base for its existence without integrated geographic research", and "integrated research is a main developing trend of physical geography, and a most effective approach to run departments of physical geography", integrated geographic research includes modern precesses and historical formation which are related and supplement each other. Therefore, Prof. Huang Bingwei poited out three fields of physico-geographic research in 1960's. In fact, it is an integration of geography on the layer of physical environment. Recently, his proposed research of Land System Science and Regional Sustainable Development Strategies-keeps on and develops integrated geographic research which he holds for a long time. He stresses the importance of integrated research and thinks that only interdisplinary research means integrated research. In order to coordinate man-land relationship, it is not enough if natural sciences are taken into account only, and both integrating socio-economic sciences and integrating natural sciences and human studies are required.

Key words: geography, integrated research, land system science